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MdePkg/BaseSynchronizationLib: Add volatile Interlocked*() APIs
[mirror_edk2.git] / MdePkg / Library / BaseSynchronizationLib / Ia32 / InterlockedIncrement.nasm
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1;------------------------------------------------------------------------------\r
2;\r
4cee954e 3; Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>\r
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4; This program and the accompanying materials\r
5; are licensed and made available under the terms and conditions of the BSD License\r
6; which accompanies this distribution. The full text of the license may be found at\r
7; http://opensource.org/licenses/bsd-license.php.\r
8;\r
9; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
10; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
11;\r
12; Module Name:\r
13;\r
14; InterlockedIncrement.Asm\r
15;\r
16; Abstract:\r
17;\r
18; InterlockedIncrement function\r
19;\r
20; Notes:\r
21;\r
22;------------------------------------------------------------------------------\r
23\r
24 SECTION .text\r
25\r
26;------------------------------------------------------------------------------\r
27; UINT32\r
28; EFIAPI\r
29; InternalSyncIncrement (\r
4cee954e 30; IN volatile UINT32 *Value\r
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31; );\r
32;------------------------------------------------------------------------------\r
33global ASM_PFX(InternalSyncIncrement)\r
34ASM_PFX(InternalSyncIncrement):\r
35 mov eax, [esp + 4]\r
36 lock inc dword [eax]\r
37 mov eax, [eax]\r
38 ret\r
39\r